DocumentCode
2684768
Title
Bulk modification of transparent materials by use of loosely focused femtosecond laser
Author
Kamata, Masanao ; Ohta, Kouke ; Obara, Minoru
Author_Institution
Dept. of Electron. & Electr. Eng., Keio Univ., Yokohama, Japan
Volume
2
fYear
2003
fDate
15-19 Dec. 2003
Abstract
We demonstrate the control of refractive index change inside silica glass and PMMA induced by a loosely focused femtosecond laser. By decreasing numerical aperture, several mm long single mode optical waveguide is fabricated by non-scanning process.
Keywords
high-speed optical techniques; laser materials processing; optical focusing; optical waveguides; polymers; refractive index; transparency; PMMA; loosely focused femtosecond laser; optical fabrication; refractive index change control; single mode optical waveguide; transparent materials; Glass; Laser modes; Laser transitions; Optical control; Optical materials; Optical waveguides; Refractive index; Silicon compounds; Ultrafast optics; Waveguide lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN
0-7803-7766-4
Type
conf
DOI
10.1109/CLEOPR.2003.1277231
Filename
1277231
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